Environment upkeep machine



FIG. 1 is a perspective view showing the left side, and the top and thefront of the environment upkeep machine of my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a front view thereof,

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view of the claimed design.

The ornamental design for an environment upkeep machine, as shown anddescribed.